“I’m not a big believer in bitcoin. I am a believer in blockchain technology,” Cohn told CNBC’s Bob Pisani in a “Squawk on the Street” interview.

“I do think we will have a global cryptocurrency at some point where the world understands it and it’s not based on mining costs or cost of electricity or things like that,” he said. Cohn resigned in early March from his role as chief economic advisor to the Trump administration.